Simara, Birganj, Narayani, Nepal Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Simara, Birganj, Narayani, Nepal
AQI Trends: Highest and Lowest
Same Day Analysis (9th March):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 191 of Unhealthy air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Mar - 9th Mar 2026
Simara, Birganj, Narayani, Nepal
6 AM8th Mar 2026
6 PM
5 AM9th Mar 2026
344AQI
178AQI
216AQI
194AQI
In the last 24 hours,
Simara's AQI reached its highest point of 344 at 4 PM during the Day, while the lowest point, 178, was recorded at 1 PM during the Day between 8th Mar and 9th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Simara, Birganj, Narayani, Nepal
17°C11/25°C
18°C12/26°C
19°C13/27°C
18°C13/27°C
18°C12/27°C
18°C12/27°C
18°C12/27°C
18°C11/26°C
19°C12/28°C
20°C14/29°C
21°C15/30°C
22°C16/30°C
22°C16/32°C
21°C15/30°C
21°C15/29°C
21°C14/29°C
21°C14/29°C
21°C14/30°C
21°C14/30°C
21°C14/30°C
21°C14/30°C
22°C15/31°C
22°C14/31°C
22°C16/32°C
23°C16/33°C
24°C17/34°C
25°C19/34°C
26°C19/35°C
27°C20/35°C
26°C22/33°C
231AQI
145AQI
219AQI
176AQI
2026 Days Vs Air Quality
Simara, Birganj, Narayani, Nepal
6%
4
68%
46
26%
18
Total number of days with different AQI categories in last 69 days in 2026 (296 days remaining)
Under WHO’s Safe Air Quality Limits: 0%
Health Risk Level:
Extreme
In 2026, 0% of 69 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Simara, Birganj, Narayani, Nepal
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
218AQI (US)
216AQI (US)
185AQI (US)
166AQI (US)
180AQI (US)
230AQI (US)
163AQI (US)
145AQI (US)
177AQI (US)
177AQI (US)
178AQI (US)
190AQI (US)
187AQI (US)
189AQI (US)
192AQI (US)
187AQI (US)
181AQI (US)
154AQI (US)
163AQI (US)
178AQI (US)
177AQI (US)
198AQI (US)
207AQI (US)
191AQI (US)
216AQI (US)
199AQI (US)
190AQI (US)
198AQI (US)
141AQI (US)
157AQI (US)
155AQI (US)
179AQI (US)
204AQI (US)
204AQI (US)
191AQI (US)
180AQI (US)
195AQI (US)
199AQI (US)
227AQI (US)
240AQI (US)
220AQI (US)
218AQI (US)
248AQI (US)
207AQI (US)
190AQI (US)
129AQI (US)
141AQI (US)
184AQI (US)
179AQI (US)
177AQI (US)
161AQI (US)
174AQI (US)
188AQI (US)
209AQI (US)
194AQI (US)
198AQI (US)
217AQI (US)
206AQI (US)
202AQI (US)
176AQI (US)
194AQI (US)
199AQI (US)
179AQI (US)
185AQI (US)
179AQI (US)
183AQI (US)
207AQI (US)
191AQI (US)
183AQI (US)
195AQI (US)
188AQI (US)
No. of days
2026189AQI (US)
Highest AQI (US) recorded in
February195AQI (US)
Lowest AQI (US) recorded in
January183AQI (US)
2025121AQI (US)
Highest AQI (US) recorded in
December233AQI (US)
Lowest AQI (US) recorded in
July68AQI (US)
2024111AQI (US)
Highest AQI (US) recorded in
December147AQI (US)
Lowest AQI (US) recorded in
October63AQI (US)
2023156AQI (US)
Highest AQI (US) recorded in
November157AQI (US)
Lowest AQI (US) recorded in
December156AQI (US)
202153AQI (US)
Highest AQI (US) recorded in
October53AQI (US)
Lowest AQI (US) recorded in
October53AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Simara's annual 2026 AQI (US) (189) shows an average percentage change of 100.7% (worsened AQI (US)) compared to previous years: 2021 (53), 2023 (156), 2024 (111), 2025 (121).